[SCSI] qla2xxx: Add BSG support for FC ELS/CT passthrough and vendor commands.
[jejb: fixed printk casting issues]
Signed-off-by: Sarang Radke <sarang.radke@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 3a9f5b2..5a19aea 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -11,7 +11,9 @@
#include <linux/delay.h>
static int qla24xx_vport_disable(struct fc_vport *, bool);
-
+static int qla84xx_reset(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
+int qla84xx_reset_chip(scsi_qla_host_t *, uint16_t, uint16_t *);
+static int qla84xx_mgmt_cmd(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
/* SYSFS attributes --------------------------------------------------------- */
static ssize_t
@@ -1168,6 +1170,28 @@
}
static ssize_t
+qla24xx_84xx_fw_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int rval = QLA_SUCCESS;
+ uint16_t status[2] = {0, 0};
+ scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+ struct qla_hw_data *ha = vha->hw;
+
+ if (IS_QLA84XX(ha) && ha->cs84xx) {
+ if (ha->cs84xx->op_fw_version == 0) {
+ rval = qla84xx_verify_chip(vha, status);
+ }
+
+ if ((rval == QLA_SUCCESS) && (status[0] == 0))
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ (uint32_t)ha->cs84xx->op_fw_version);
+ }
+
+ return snprintf(buf, PAGE_SIZE, "\n");
+}
+
+static ssize_t
qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -1281,6 +1305,8 @@
qla2x00_optrom_fcode_version_show, NULL);
static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
NULL);
+static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
+ NULL);
static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
NULL);
static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
@@ -1310,6 +1336,7 @@
&dev_attr_optrom_efi_version,
&dev_attr_optrom_fcode_version,
&dev_attr_optrom_fw_version,
+ &dev_attr_84xx_fw_version,
&dev_attr_total_isp_aborts,
&dev_attr_mpi_version,
&dev_attr_phy_version,
@@ -1795,6 +1822,597 @@
return 0;
}
+/* BSG support for ELS/CT pass through */
+inline srb_t *
+qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
+{
+ srb_t *sp;
+ struct qla_hw_data *ha = vha->hw;
+ struct srb_bsg_ctx *ctx;
+
+ sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
+ if (!sp)
+ goto done;
+ ctx = kzalloc(size, GFP_KERNEL);
+ if (!ctx) {
+ mempool_free(sp, ha->srb_mempool);
+ goto done;
+ }
+
+ memset(sp, 0, sizeof(*sp));
+ sp->fcport = fcport;
+ sp->ctx = ctx;
+done:
+ return sp;
+}
+
+static int
+qla2x00_process_els(struct fc_bsg_job *bsg_job)
+{
+ struct fc_rport *rport;
+ fc_port_t *fcport;
+ struct Scsi_Host *host;
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ srb_t *sp;
+ const char *type;
+ int req_sg_cnt, rsp_sg_cnt;
+ int rval = (DRIVER_ERROR << 16);
+ uint16_t nextlid = 0;
+ struct srb_bsg *els;
+
+ /* Multiple SG's are not supported for ELS requests */
+ if (bsg_job->request_payload.sg_cnt > 1 ||
+ bsg_job->reply_payload.sg_cnt > 1) {
+ DEBUG2(printk(KERN_INFO
+ "multiple SG's are not supported for ELS requests"
+ " [request_sg_cnt: %x reply_sg_cnt: %x]\n",
+ bsg_job->request_payload.sg_cnt,
+ bsg_job->reply_payload.sg_cnt));
+ rval = -EPERM;
+ goto done;
+ }
+
+ /* ELS request for rport */
+ if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
+ rport = bsg_job->rport;
+ fcport = *(fc_port_t **) rport->dd_data;
+ host = rport_to_shost(rport);
+ vha = shost_priv(host);
+ ha = vha->hw;
+ type = "FC_BSG_RPT_ELS";
+
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld): loop-id=%x portid=%02x%02x%02x.\n",
+ fcport->vha->host_no, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa));
+
+ /* make sure the rport is logged in,
+ * if not perform fabric login
+ */
+ if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "failed to login port %06X for ELS passthru\n",
+ fcport->d_id.b24));
+ rval = -EIO;
+ goto done;
+ }
+ } else {
+ host = bsg_job->shost;
+ vha = shost_priv(host);
+ ha = vha->hw;
+ type = "FC_BSG_HST_ELS_NOLOGIN";
+
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld): loop-id=%x portid=%02x%02x%02x.\n",
+ vha->host_no, vha->loop_id,
+ vha->d_id.b.domain, vha->d_id.b.area, vha->d_id.b.al_pa));
+
+ /* Allocate a dummy fcport structure, since functions
+ * preparing the IOCB and mailbox command retrieves port
+ * specific information from fcport structure. For Host based
+ * ELS commands there will be no fcport structure allocated
+ */
+ fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (!fcport) {
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ /* Initialize all required fields of fcport */
+ fcport->vha = vha;
+ fcport->vp_idx = vha->vp_idx;
+ fcport->d_id.b.al_pa =
+ bsg_job->request->rqst_data.h_els.port_id[0];
+ fcport->d_id.b.area =
+ bsg_job->request->rqst_data.h_els.port_id[1];
+ fcport->d_id.b.domain =
+ bsg_job->request->rqst_data.h_els.port_id[2];
+ fcport->loop_id =
+ (fcport->d_id.b.al_pa == 0xFD) ?
+ NPH_FABRIC_CONTROLLER : NPH_F_PORT;
+ }
+
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld): vendor-id = %llu\n",
+ vha->host_no, host->hostt->vendor_id));
+
+ req_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!req_sg_cnt) {
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!rsp_sg_cnt) {
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
+ {
+ DEBUG2(printk(KERN_INFO
+ "dma mapping resulted in different sg counts \
+ [request_sg_cnt: %x dma_request_sg_cnt: %x\
+ reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+ bsg_job->request_payload.sg_cnt, req_sg_cnt,
+ bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+ if (!sp) {
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ els = sp->ctx;
+ els->ctx.type =
+ (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
+ SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
+ els->bsg_job = bsg_job;
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
+ "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
+ bsg_job->request->rqst_data.h_els.command_code,
+ fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa));
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ kfree(sp->ctx);
+ mempool_free(sp, ha->srb_mempool);
+ rval = -EIO;
+ goto done_unmap_sg;
+ }
+ return rval;
+
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ goto done_free_fcport;
+
+done_free_fcport:
+ if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
+ kfree(fcport);
+done:
+ return rval;
+}
+
+static int
+qla2x00_process_ct(struct fc_bsg_job *bsg_job)
+{
+ srb_t *sp;
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = (DRIVER_ERROR << 16);
+ int req_sg_cnt, rsp_sg_cnt;
+ uint16_t loop_id;
+ struct fc_port *fcport;
+ char *type = "FC_BSG_HST_CT";
+ struct srb_bsg *ct;
+
+ /* pass through is supported only for ISP 4Gb or higher */
+ if (!IS_FWI2_CAPABLE(ha)) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld):Firmware is not capable to support FC "
+ "CT pass thru\n", vha->host_no));
+ rval = -EPERM;
+ goto done;
+ }
+
+ req_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!req_sg_cnt) {
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!rsp_sg_cnt) {
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
+ {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "dma mapping resulted in different sg counts \
+ [request_sg_cnt: %x dma_request_sg_cnt: %x\
+ reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+ bsg_job->request_payload.sg_cnt, req_sg_cnt,
+ bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ loop_id =
+ (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
+ >> 24;
+ switch (loop_id) {
+ case 0xFC:
+ loop_id = cpu_to_le16(NPH_SNS);
+ break;
+ case 0xFA:
+ loop_id = vha->mgmt_svr_loop_id;
+ break;
+ default:
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Unknown loop id: %x\n", loop_id));
+ rval = -EINVAL;
+ goto done_unmap_sg;
+ }
+
+ /* Allocate a dummy fcport structure, since functions preparing the
+ * IOCB and mailbox command retrieves port specific information
+ * from fcport structure. For Host based ELS commands there will be
+ * no fcport structure allocated
+ */
+ fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (!fcport)
+ {
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ /* Initialize all required fields of fcport */
+ fcport->vha = vha;
+ fcport->vp_idx = vha->vp_idx;
+ fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
+ fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
+ fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
+ fcport->loop_id = loop_id;
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
+ if (!sp) {
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ ct = sp->ctx;
+ ct->ctx.type = SRB_CT_CMD;
+ ct->bsg_job = bsg_job;
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
+ "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
+ (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
+ fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa));
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ kfree(sp->ctx);
+ mempool_free(sp, ha->srb_mempool);
+ rval = -EIO;
+ goto done_free_fcport;
+ }
+ return rval;
+
+done_free_fcport:
+ kfree(fcport);
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done:
+ return rval;
+}
+
+static int
+qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval;
+ uint8_t command_sent;
+ uint32_t vendor_cmd;
+ char *type;
+ struct msg_echo_lb elreq;
+ uint16_t response[MAILBOX_REGISTER_COUNT];
+ uint8_t* fw_sts_ptr;
+ uint8_t *req_data;
+ dma_addr_t req_data_dma;
+ uint32_t req_data_len;
+ uint8_t *rsp_data;
+ dma_addr_t rsp_data_dma;
+ uint32_t rsp_data_len;
+
+ if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+ test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+ test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+ rval = -EBUSY;
+ goto done;
+ }
+
+ elreq.req_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!elreq.req_sg_cnt) {
+ rval = -ENOMEM;
+ goto done;
+ }
+ elreq.rsp_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!elreq.rsp_sg_cnt) {
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
+ {
+ DEBUG2(printk(KERN_INFO
+ "dma mapping resulted in different sg counts \
+ [request_sg_cnt: %x dma_request_sg_cnt: %x\
+ reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
+ bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
+ bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+ req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
+ req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
+ &req_data_dma, GFP_KERNEL);
+
+ rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
+ &rsp_data_dma, GFP_KERNEL);
+
+ /* Copy the request buffer in req_data now */
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, req_data,
+ req_data_len);
+
+ elreq.send_dma = req_data_dma;
+ elreq.rcv_dma = rsp_data_dma;
+ elreq.transfer_size = req_data_len;
+
+ /* Vendor cmd : loopback or ECHO diagnostic
+ * Options:
+ * Loopback : Either internal or external loopback
+ * ECHO: ECHO ELS or Vendor specific FC4 link data
+ */
+ vendor_cmd = bsg_job->request->rqst_data.h_vendor.vendor_cmd[0];
+ elreq.options =
+ *(((uint32_t *)bsg_job->request->rqst_data.h_vendor.vendor_cmd)
+ + 1);
+
+ switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
+ case QL_VND_LOOPBACK:
+ if (ha->current_topology != ISP_CFG_F) {
+ type = "FC_BSG_HST_VENDOR_LOOPBACK";
+
+ if ((IS_QLA81XX(ha)) &&
+ ((elreq.options == 0) || (elreq.options == 2))) {
+ DEBUG2(qla_printk(KERN_INFO, ha, "scsi(%ld)"
+ "loopback option:0x%x not supported\n", vha->host_no, elreq.options));
+ rval = -EINVAL;
+ goto done_unmap_sg;
+ }
+
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
+ vha->host_no, type, vendor_cmd, elreq.options));
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) tx_addr: 0x%llx rx_addr: 0x%llx tx_sg_cnt: %x rx_sg_cnt: %x\n",
+ vha->host_no, (unsigned long long)elreq.send_dma, (unsigned long long)elreq.rcv_dma, elreq.req_sg_cnt, elreq.rsp_sg_cnt));
+ command_sent = INT_DEF_LB_LOOPBACK_CMD;
+ rval = qla2x00_loopback_test(vha, &elreq, response);
+ if (IS_QLA81XX(ha)) {
+ if (response[0] == MBS_COMMAND_ERROR && response[1] == MBS_LB_RESET) {
+ DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
+ "ISP\n", __func__, vha->host_no));
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
+ }
+ } else {
+ type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
+ vha->host_no, type, vendor_cmd, elreq.options));
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) tx_addr: 0x%llx rx_addr: 0x%llx tx_sg_cnt: %x rx_sg_cnt: %x\n",
+ vha->host_no, (unsigned long long)elreq.send_dma, (unsigned long long)elreq.rcv_dma, elreq.req_sg_cnt, elreq.rsp_sg_cnt));
+ command_sent = INT_DEF_LB_ECHO_CMD;
+ rval = qla2x00_echo_test(vha, &elreq, response);
+ }
+ break;
+ case QLA84_RESET:
+ if (!IS_QLA84XX(vha->hw)) {
+ rval = -EINVAL;
+ DEBUG16(printk(
+ "%s(%ld): 8xxx exiting.\n",
+ __func__, vha->host_no));
+ return rval;
+ }
+ rval = qla84xx_reset(vha, &elreq, bsg_job);
+ break;
+ case QLA84_MGMT_CMD:
+ if (!IS_QLA84XX(vha->hw)) {
+ rval = -EINVAL;
+ DEBUG16(printk(
+ "%s(%ld): 8xxx exiting.\n",
+ __func__, vha->host_no));
+ return rval;
+ }
+ rval = qla84xx_mgmt_cmd(vha, &elreq, bsg_job);
+ break;
+ default:
+ rval = -ENOSYS;
+ }
+
+ if (rval != QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "scsi(%ld) Vendor request %s failed\n", vha->host_no, type));
+ rval = 0;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
+ memcpy( fw_sts_ptr, response, sizeof(response));
+ fw_sts_ptr += sizeof(response);
+ *fw_sts_ptr = command_sent;
+ } else {
+ DEBUG2(qla_printk(KERN_WARNING, ha,
+ "scsi(%ld) Vendor request %s completed\n", vha->host_no, type));
+ rval = bsg_job->reply->result = 0;
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(response) + sizeof(uint8_t);
+ bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
+ fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
+ memcpy(fw_sts_ptr, response, sizeof(response));
+ fw_sts_ptr += sizeof(response);
+ *fw_sts_ptr = command_sent;
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, rsp_data,
+ rsp_data_len);
+ }
+ bsg_job->job_done(bsg_job);
+
+done_unmap_sg:
+
+ if(req_data)
+ dma_free_coherent(&ha->pdev->dev, req_data_len,
+ req_data, req_data_dma);
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+done:
+ return rval;
+}
+
+static int
+qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
+{
+ int ret = -EINVAL;
+
+ switch (bsg_job->request->msgcode) {
+ case FC_BSG_RPT_ELS:
+ case FC_BSG_HST_ELS_NOLOGIN:
+ ret = qla2x00_process_els(bsg_job);
+ break;
+ case FC_BSG_HST_CT:
+ ret = qla2x00_process_ct(bsg_job);
+ break;
+ case FC_BSG_HST_VENDOR:
+ ret = qla2x00_process_vendor_specific(bsg_job);
+ break;
+ case FC_BSG_HST_ADD_RPORT:
+ case FC_BSG_HST_DEL_RPORT:
+ case FC_BSG_RPT_CT:
+ default:
+ DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
+ break;
+ }
+ return ret;
+}
+
+static int
+qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
+{
+ scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
+ struct qla_hw_data *ha = vha->hw;
+ srb_t *sp;
+ int i;
+ unsigned long flags;
+ uint16_t que_id;
+ struct req_que *req;
+ struct rsp_que *rsp;
+ int found = 0;
+ struct srb_bsg *sp_bsg;
+
+ /* find the bsg job from the active list of commands */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ req = ha->req_q_map[0];
+ que_id = req->id;
+ if (req->rsp)
+ rsp = req->rsp;
+ else
+ rsp = ha->rsp_q_map[que_id];
+
+ for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++ ) {
+ sp = req->outstanding_cmds[i];
+
+ if (sp == NULL)
+ continue;
+
+ sp_bsg = (struct srb_bsg*)sp->ctx;
+
+ if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
+ (sp_bsg->ctx.type == SRB_ELS_CMD_RPT)
+ || ( sp_bsg->ctx.type == SRB_ELS_CMD_HST)) &&
+ (sp_bsg->bsg_job == bsg_job)) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) req_q: %p rsp_q: %p que_id: %x sp: %p\n",
+ vha->host_no, req, rsp, que_id, sp));
+ found = 1;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (!found) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld) SRB not found to abort\n", vha->host_no));
+ bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
+ return 0;
+ }
+
+ if (ha->isp_ops->abort_command(sp)) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld): mbx abort_command failed\n", vha->host_no));
+ bsg_job->req->errors = bsg_job->reply->result = -EIO;
+ } else {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "scsi(%ld): mbx abort_command success\n", vha->host_no));
+ bsg_job->req->errors = bsg_job->reply->result = 0;
+ }
+
+ if (bsg_job->request->msgcode == FC_BSG_HST_CT)
+ kfree(sp->fcport);
+ kfree(sp->ctx);
+ mempool_free(sp, ha->srb_mempool);
+ return 0;
+}
+
struct fc_function_template qla2xxx_transport_functions = {
.show_host_node_name = 1,
@@ -1838,6 +2456,8 @@
.vport_create = qla24xx_vport_create,
.vport_disable = qla24xx_vport_disable,
.vport_delete = qla24xx_vport_delete,
+ .bsg_request = qla24xx_bsg_request,
+ .bsg_timeout = qla24xx_bsg_timeout,
};
struct fc_function_template qla2xxx_transport_vport_functions = {
@@ -1878,6 +2498,8 @@
.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
.terminate_rport_io = qla2x00_terminate_rport_io,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
+ .bsg_request = qla24xx_bsg_request,
+ .bsg_timeout = qla24xx_bsg_timeout,
};
void
@@ -1906,3 +2528,125 @@
speed = FC_PORTSPEED_1GBIT;
fc_host_supported_speeds(vha->host) = speed;
}
+static int
+qla84xx_reset(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
+{
+ int ret = 0;
+ int cmd;
+ uint16_t cmd_status;
+
+ DEBUG16(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+
+ cmd = (*((bsg_job->request->rqst_data.h_vendor.vendor_cmd) + 2))
+ == A84_RESET_FLAG_ENABLE_DIAG_FW ?
+ A84_ISSUE_RESET_DIAG_FW : A84_ISSUE_RESET_OP_FW;
+ ret = qla84xx_reset_chip(ha, cmd == A84_ISSUE_RESET_DIAG_FW,
+ &cmd_status);
+ return ret;
+}
+
+static int
+qla84xx_mgmt_cmd(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
+{
+ struct access_chip_84xx *mn;
+ dma_addr_t mn_dma, mgmt_dma;
+ void *mgmt_b = NULL;
+ int ret = 0;
+ int rsp_hdr_len, len = 0;
+ struct qla84_msg_mgmt *ql84_mgmt;
+
+ ql84_mgmt = (struct qla84_msg_mgmt *) vmalloc(sizeof(struct qla84_msg_mgmt));
+ ql84_mgmt->cmd =
+ *((uint16_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 2));
+ ql84_mgmt->mgmtp.u.mem.start_addr =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 3));
+ ql84_mgmt->len =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 4));
+ ql84_mgmt->mgmtp.u.config.id =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 5));
+ ql84_mgmt->mgmtp.u.config.param0 =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 6));
+ ql84_mgmt->mgmtp.u.config.param1 =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 7));
+ ql84_mgmt->mgmtp.u.info.type =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 8));
+ ql84_mgmt->mgmtp.u.info.context =
+ *((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 9));
+
+ rsp_hdr_len = bsg_job->request_payload.payload_len;
+
+ mn = dma_pool_alloc(ha->hw->s_dma_pool, GFP_KERNEL, &mn_dma);
+ if (mn == NULL) {
+ DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
+ "failed%lu\n", __func__, ha->host_no));
+ return -ENOMEM;
+ }
+
+ memset(mn, 0, sizeof (struct access_chip_84xx));
+
+ mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
+ mn->entry_count = 1;
+
+ switch (ql84_mgmt->cmd) {
+ case QLA84_MGMT_READ_MEM:
+ mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
+ mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
+ break;
+ case QLA84_MGMT_WRITE_MEM:
+ mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
+ mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
+ break;
+ case QLA84_MGMT_CHNG_CONFIG:
+ mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
+ mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.id);
+ mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param0);
+ mn->parameter3 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param1);
+ break;
+ case QLA84_MGMT_GET_INFO:
+ mn->options = cpu_to_le16(ACO_REQUEST_INFO);
+ mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.type);
+ mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.context);
+ break;
+ default:
+ ret = -EIO;
+ goto exit_mgmt0;
+ }
+
+ if ((len == ql84_mgmt->len) &&
+ ql84_mgmt->cmd != QLA84_MGMT_CHNG_CONFIG) {
+ mgmt_b = dma_alloc_coherent(&ha->hw->pdev->dev, len,
+ &mgmt_dma, GFP_KERNEL);
+ if (mgmt_b == NULL) {
+ DEBUG2(printk(KERN_ERR "%s: dma alloc mgmt_b "
+ "failed%lu\n", __func__, ha->host_no));
+ ret = -ENOMEM;
+ goto exit_mgmt0;
+ }
+ mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->len);
+ mn->dseg_count = cpu_to_le16(1);
+ mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
+ mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
+ mn->dseg_length = cpu_to_le32(len);
+
+ if (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM) {
+ memcpy(mgmt_b, ql84_mgmt->payload, len);
+ }
+ }
+
+ ret = qla2x00_issue_iocb(ha, mn, mn_dma, 0);
+ if ((ret != QLA_SUCCESS) || (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM)
+ || (ql84_mgmt->cmd == QLA84_MGMT_CHNG_CONFIG)) {
+ if (ret != QLA_SUCCESS)
+ DEBUG2(printk(KERN_ERR "%s(%lu): failed\n",
+ __func__, ha->host_no));
+ } else if ((ql84_mgmt->cmd == QLA84_MGMT_READ_MEM) ||
+ (ql84_mgmt->cmd == QLA84_MGMT_GET_INFO)) {
+ }
+
+ if (mgmt_b)
+ dma_free_coherent(&ha->hw->pdev->dev, len, mgmt_b, mgmt_dma);
+
+exit_mgmt0:
+ dma_pool_free(ha->hw->s_dma_pool, mn, mn_dma);
+ return ret;
+}